AQH share is a statistic that measuresbroadcast radio listenership.

AQH is an abbreviation foraverage quarter-hour persons, defined byArbitron (now referred to as Nielsen Audio) as the average number of persons listening to a particular station for at least five minutes during a 15-minute period.Share is the percentage of those listening to radio in an Arbitron "market" (typically ametropolitan area) who are listening to a particular radio station.Thus,AQH Share for a given station is mathematically expressed as:$${\displaystyle \frac{\text{AQH persons listening to station}}{\text{AQH persons listening to all market radio stations}}\times 100\mathrm{\%}}$$

AQH Share is most often used in conjunction withTSL (Time Spent Listening) to measure listenership in a market. While AQH measures the average number of listeners to the station, TSL tracks the length of time listeners are tuned continuously to the station.

• Glossary of Terms of theRadio Research Consortium

• Market research
• Radio broadcasting